Finnventor

Calculator
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Type any mathematical expressions in the box and the results will be calculated and displayed along the side. You can define functions and variables which can be referenced in the expressions below them. Any unmatched parentheses will be automatically closed on the opposite side (click them to move them inside the textbox).
Other options can be found in the menu in the top left.

Examples

2 + 2
4

sin(0.5pi)
1

10 A * 30 V * 1 day in kWh
7.2 kWh

x = sqrt(-18/2)
3i

5x + 4
4 + 15i

Much higher precision than float.
Default. Has occasional rounding errors:
sin(pi) is about 0.0000000000000001
Displays repeating decimal places in parentheses: 1/3 = 0.(3)
Doesn't work with trigonometric functions.
Changes trigonometric function inputs:
A full circle is 0 to 360 degrees.
Changes trigonometric function inputs:
A full circle is 0 to tau radians.
Changes trigonometric function inputs:
A full circle is 0 to 400 gradians.
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